Dec 11 16:22:29.737 INFO checking jhwagner/rust_by_example_solutions against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:22:29.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:22:30.044 INFO [stdout] a1648657bf72dc7271b43586ab64008275ab5955ec05aa9ad5aa0416833f600f
Dec 11 16:22:30.050 INFO running `"docker" "start" "-a" "a1648657bf72dc7271b43586ab64008275ab5955ec05aa9ad5aa0416833f600f"`
Dec 11 16:22:31.268 INFO [stderr] usermod: no changes
Dec 11 16:22:31.352 INFO [stderr]     Checking rust_by_example_solutions v0.1.0 (/source)
Dec 11 16:22:32.192 INFO [stderr] warning: struct is never constructed: `Structure`
Dec 11 16:22:32.192 INFO [stderr]   --> src/bin/1_2_0_formatted_print.rs:27:5
Dec 11 16:22:32.192 INFO [stderr]    |
Dec 11 16:22:32.192 INFO [stderr] 27 |     struct Structure(i32);
Dec 11 16:22:32.192 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:22:32.192 INFO [stderr]    |
Dec 11 16:22:32.192 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:22:32.192 INFO [stderr] 
Dec 11 16:22:33.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Dec 11 16:22:33.460 INFO [stderr] su: No module specific data is present
Dec 11 16:22:34.096 INFO running `"docker" "inspect" "a1648657bf72dc7271b43586ab64008275ab5955ec05aa9ad5aa0416833f600f"`
Dec 11 16:22:34.404 INFO running `"docker" "rm" "-f" "a1648657bf72dc7271b43586ab64008275ab5955ec05aa9ad5aa0416833f600f"`
Dec 11 16:22:34.696 INFO [stdout] a1648657bf72dc7271b43586ab64008275ab5955ec05aa9ad5aa0416833f600f